From 8ea6924dda8d452bd870302a2c4e96f437ee5443 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Wed, 22 Nov 2023 21:38:29 +0100
Subject: flush

---
 loader/atlas.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'loader')

diff --git a/loader/atlas.cpp b/loader/atlas.cpp
index acc1d069..e811e61e 100644
--- a/loader/atlas.cpp
+++ b/loader/atlas.cpp
@@ -28,7 +28,9 @@ StringView loader_::make_atlas_path(char(&buf)[FILENAME_MAX], StringView dir, St
 
 bool loader_::check_atlas_name(StringView str) noexcept
 {
-    if (!str || str[0] == '.' || str[0] == '/')
+    constexpr auto first_char =
+        "_0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"_s;
+    if (!str || !first_char.find(str[0]))
         return false;
     if (str.findAny("\\\"'\n\r\t\a\033\0|$!%{}#^*?<>&;:^"_s) || str.find("/."_s))
         return false;
-- 
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